

<template>
  <div id="main" style="width: 600px; height: 400px;"></div>
</template>
<script setup lang="js">
import * as echarts from 'echarts/core';
import { GaugeChart } from 'echarts/charts';
import { CanvasRenderer } from 'echarts/renderers';
import {onMounted} from "vue";

echarts.use([GaugeChart, CanvasRenderer]);

var chartDom = document.getElementById('main');
var myChart = echarts.init(chartDom);
var option;
function init() {
  option = {
    series: [
      {
        type: 'gauge',
        startAngle: 180,
        endAngle: 0,
        center: ['50%', '75%'],
        radius: '90%',
        min: 0,
        max: 1,
        splitNumber: 8,
        axisLine: {
          lineStyle: {
            width: 6,
            color: [
              [0.25, '#FF6E76'],
              [0.5, '#FDDD60'],
              [0.75, '#58D9F9'],
              [1, '#7CFFB2']
            ]
          }
        },
        pointer: {
          icon: 'path://M12.8,0.7l12,40.1H0.7L12.8,0.7z',
          length: '12%',
          width: 20,
          offsetCenter: [0, '-60%'],
          itemStyle: {
            color: 'auto'
          }
        },
        axisTick: {
          length: 12,
          lineStyle: {
            color: 'auto',
            width: 2
          }
        },
        splitLine: {
          length: 20,
          lineStyle: {
            color: 'auto',
            width: 5
          }
        },
        axisLabel: {
          color: '#464646',
          fontSize: 20,
          distance: -60,
          rotate: 'tangential',
          formatter: function (value) {
            if (value === 0.875) {
              return 'Grade A';
            } else if (value === 0.625) {
              return 'Grade B';
            } else if (value === 0.375) {
              return 'Grade C';
            } else if (value === 0.125) {
              return 'Grade D';
            }
            return '';
          }
        },
        title: {
          offsetCenter: [0, '-10%'],
          fontSize: 20
        },
        detail: {
          fontSize: 30,
          offsetCenter: [0, '-35%'],
          valueAnimation: true,
          formatter: function (value) {
            return Math.round(value * 100) + '';
          },
          color: 'inherit'
        },
        data: [
          {
            value: 0.5,
            name: 'Grade Rating'
          }
        ]
      }
    ]
  };

  option && myChart.setOption(option);
}
onMounted(()=>{
  init()
})

</script>
<style scoped lang="less">

</style>